Mercurial > hg > Database > Alice

annotate src/alice/datasegment/DataSegmentManager.java @ 14:e3f1b21718b0

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implements RemoteDataSegment
author kazz <kazz@cr.ie.u-ryukyu.ac.jp>
date Sun, 15 Jan 2012 00:56:25 +0900
parents 30f97d776a3e
children 72dd27d952b0
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1 package alice.datasegment;
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3 import java.util.concurrent.ConcurrentHashMap;
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4 import java.util.concurrent.LinkedBlockingQueue;
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5 import java.util.concurrent.atomic.AtomicInteger;
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7 import org.msgpack.type.Value;
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9 import alice.codesegment.CodeSegment;
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11 public abstract class DataSegmentManager {
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13 protected ConcurrentHashMap<String, DataSegmentKey> dataSegments = new ConcurrentHashMap<String, DataSegmentKey>();
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14 protected ConcurrentHashMap<Integer, Command> seqHash = new ConcurrentHashMap<Integer, Command>();
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15 public LinkedBlockingQueue<Command> replyQueue = new LinkedBlockingQueue<Command>();
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16 protected AtomicInteger seq = new AtomicInteger(1);
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17 protected Runnable replyThread = new Runnable() {
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18
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19 @Override
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20 public void run() {
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21 while (true) {
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22 try {
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23 Command reply = replyQueue.take();
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24 Command cmd = seqHash.get(reply.seq);
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25 cmd.cs.ids.reply(cmd.argKey, new DataSegmentValue(reply.index, reply.val));
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26 } catch (InterruptedException e) {
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27 e.printStackTrace();
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28 }
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29 }
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30 }
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31
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32 };
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34 public abstract void put(String key, Value val);
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35 public abstract void update(String key, Value val);
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36 public void take(String argKey, String key, CodeSegment cs) {
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37 take(argKey, key, 0, cs);
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38 }
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39 public abstract void take(String argKey, String key, int index, CodeSegment cs);
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40 public void peek(String argKey, String key, CodeSegment cs) {
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41 peek(argKey, key, 0, cs);
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42 }
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43 public abstract void peek(String argKey, String key, int index, CodeSegment cs);
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44 public abstract void remove(String key);
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46 }